gcc/libchill/settextindex.c

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/* Implement Input/Output runtime actions for CHILL.
Copyright (C) 1992,1993 Free Software Foundation, Inc.
Author: Wilfried Moser, et al
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "fileio.h"
void
__settextindex( Text_Mode* the_text,
signed long the_text_index,
char* file,
int line )
{
if( !the_text )
CHILLEXCEPTION( file, line, EMPTY, NULL_TEXT );
if( the_text_index < 0
|| the_text->access_sub->reclength - 2 < the_text_index )
CHILLEXCEPTION( file, line, TEXTFAIL, BAD_TEXTINDEX );
the_text->actual_index = the_text_index;
}